how should i define condition in for loop to get the index of a vector .?

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hello all, I have a Binary vector, and I want to check each element of this vector with the condition to apply some changes depend if 0 or 1 from this vector, I connect this vector with for loop still the condition to get the index how should I write it after entering the loop.

Answers (1)

jonas
jonas on 29 Oct 2018
It sounds like you should learn about logical indexing instead of trying to solve your issue with loop.
For example, consider a binary vector id = [0 1 0 1], and an array, A = [1 2 3 4]. You want to take the sum of those elements in A where id = true?
sum(A(id))
ans =
6
Simple as that

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